Eyeglass-frame.



No. 861,741. 'PATENTED JULY 30,1907- R. H. LEWIS.

EYEGLASS FRAME. APPLIOATION HLED IEB. 26. `1907.

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UNITED STATES To all whom 'it may concern:

Be it known that I, ROBERT H. LEwrs, a citizen of the United States, residing at Hartford, in thelcounty of Hartford and State o f Connecticut, have invented a 5 new and useful Eyeglass-Frame, ol which the following is a specification.

This invention relates to an eye-glass frame which is `ustable for the purpose of determining the pupilary (A Lance of the eyes of aperson to be iitted with glasses.

V Ov'slle object of the invention is to provide a simple struction which can be easily used by any optician or accurately determining the pupilary distance and level of one eye with relation to the other and with respect to the nose of a person. l5 The invention is illustrated in the drawings in connection with a pair of rimless glasses that have the frame so made that one lons can be raised or lowered and moved in or out with respect'to the other.

While the invention is shown as applied to a frame designed for moving one lens it is, of course, applicable in a similar manner or moving the other lens.

Figure l of the views shows a front view of a pair of glasses having a frame that embodies the invention. Fig. 2 shows on larger scale a front view of the adjustable part of the frame. Fig. 3 shows a back view of the adjustable part of the frame. Fig. 4 shows an edge view ol' the same. Fig. 5 shows a plan view. And Fig. G shows a plan of a modified form ol the frame.

a The lenses l may be any shape, size and power,

and may be clear or tinted glass. The bow 2 is of ordi- Y nary form and is fastened to the stud boxes 3 and 4 in the usual manner, and nose-guards 5 of any shape and construction may be secured to the boxes as usual.

In the form of invention shown, the stud G has the usual feet 7 that extend along the edge of the lens and the ordinary yoke 8 that embraces the edge of the lens and is secured thereto by a screw 9. Fastened to the stud box 4, in the form shown, is a box l0 with a vertical opening. Extending vertically 40 through this box and fitting the opening snugly so that it may be moved up and down when sufficient Speeieaton of Letters Patent.

Application filed February 26, 1907. Serial No. 359,423.

PATENT oEEIeE.

ROBERT H. LEWIS, OF HARTFORD, CONNECTICUT, ASSIGNOR OF ONE-HALF TO'FOSTER E. HARVEY, OF HARTFORD, CONNECTICUT.

E YE GLASS-FRAME Patented July 30, 1907.

force is applied, but will not move itself, is a bar 1]. The lower end of this vertically movable bar has a bracket l2 that supports a horizontal bar 13 and movable horizontally on thislatter bar is a box 14 that is 45 fastened to an arm l5 which projects from the stud IG that has the ordinary yoke and leet. One lace oi the vertical bar ll is' preferably graduatedso that the vertical movement of the bar may be instantly observed,

and one face of the horizontal bar 13 is also graduated 50 so that the horizontal movement of the lens box on the bar may be instantly noted. With this constuction the glasses may be placed upon the nose ol' awearer and the height of one pupil above the other and the distances apart of the pupils ordistance ol a pupil l plished by screws, The horizontal movement may be obtained by connecting the lens box 17 and the end of the bracket 'i8 with a screw 19, and the vertical movement may be obtained by connecting the bracket with the box 2O by a screw 2l, as shown in Fig. (i. With this construction the positions of the lenses are obtained by turning the screws.

The invention claimed is:

l. The combination with an eye-glass frame having a bow, a nose-guard and a vertical bar, of a lens stud and a lens connected to and movable vertically up and down said 7() bar ,substantially as specified.

2. '.lhe combination with an eye-glass frame having a bow, a nose-guard and a bar extending parallel with the plane of the lenses, of a lens stud and a lens connected to and mowible sidewise with relation to the other lens along said bar, substantially as specified.

3. The combination with an eye-glass frame homing a bow, a nose-guard, a vertical bar and a horizontal bar, of a lens stud and a lens connected to and movable bodily, horizontally and vertically alongsaid bars, substantially as specitied.

ROBER'LVH. LEWIS. Witnesses HARRY R. W ILLrAMs, LENA C. BERRY. 

